Keep your Fuller transmission running at its best with the Air Regulator Filter Valve Assembly from Fortpro, designed to replace part number A-4740. This essential assembly precisely regulates air pressure and efficiently filters contaminants, ensuring your transmission system receives clean air at the proper pressure. Manufactured from high-quality, corrosion-resistant materials, this component ensures exceptional durability and reliability. Its precise design ensures a perfect fit in Fuller transmissions, facilitating installation and maintenance. Improve the performance and reliability of your truck with this essential component. Specifications: Brand: Fortpro Vehicle Type: Semi-Trucks / Heavy Trucks Product Department: Transmission Product category : Valves Part Type: Air Regulator Filter Valve / Fuller Box Air Pressure Regulating Valve OEM Reference #: A-4740 Pressure Ratio: 63 PSIG Supply Port (1): 3/8 in. Delivery Port (3): 1/8 in. Applications: Air Brake System Heavy Duty CrossReference: Eaton Fuller: A-4740, FULA-4740 Mack: 3088-A4740 PAI: EF36730